Natural Hazards and Earth System Sciences
Natural Hazards and Earth System Sciences
NHESS
Articles | Volume 25, issue 7
Articles | Volume 25, issue 7
https://doi.org/10.5194/nhess-25-2519-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/nhess-25-2519-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 25, issue 7
Research article
 | 
28 Jul 2025
Research article |  | 28 Jul 2025

Is higher resolution always better? A comparison of open-access DEMs for optimized slope unit delineation and regional landslide prediction

Mahnoor Ahmed, Giacomo Titti, Sebastiano Trevisani, Lisa Borgatti, and Mirko Francioni

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Short summary
Elevation models are compared with a true dataset for terrain characteristics, which selects a better-ranking model to compare with different parameters to partition the terrain. The partitioning of the terrain is measured by how well a partitioned unit can support the mapped landslide area and number of landslides. The effect of this relationship is reflected with different metrics in the susceptibility maps.
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